Phosgene → 2H-Azepin-2-one, 1,1'-carbonylbis[hexahydro-

HRID 47873

Reaction equation

[C:1](Cl)(Cl)=[O:2].[Na].[C:6]1(=[O:13])[NH:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7]1>>[C:6]([N:12]1[CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][C:1]1=[O:2])([N:12]1[CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][C:6]1=[O:13])=[O:13]

Participants

Reactant 3

HCID 6371Phosgene

HCID 7768Caprolactam

HCID 5360545Sodium

Product 1

HCID 52524372H-Azepin-2-one, 1,1'-carbonylbis[hexahydro-Yield 0.6%

Procedure

Thus, when phosgene is reacted with the sodium salt of ε-caprolactam according to H. R. Meyer, as described in the summary CA 52: 11781e of 1956, only from 0.6 to 40% of N,N′-carbonylbiscaprolactam is obtained.

Sources & evidence

ORD record: ord-5eca301e06d74df09d4717221961ed01
Source dataset: uspto-grants-2004_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06699988B2

Linked notes

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